Analysis
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max time kernel
47s -
max time network
35s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 21:19
Behavioral task
behavioral1
Sample
84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls
Resource
win10v2004-20240802-en
General
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Target
84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls
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Size
60KB
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MD5
9bf3e0ebdee30c6b7964662482d4870d
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SHA1
c3196d209d93862074596686266c41a5f4d801f6
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SHA256
84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53
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SHA512
4b758deca1ac0fd1cca13256b542c5cb0ff7c15c1c00799b11a27ce696ef2237a304fa1430e8aaede9c0f06eae109bdc09ac55cf7a21196085f9fbcc41470846
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SSDEEP
1536:lpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgPDOJiA6Cv/UGLI36yOAwa4:DKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgo
Malware Config
Extracted
http://wordpress.agrupem.com/wp-admin/c7WVBumf5iYALK/
http://andecam.com.ar/flyer-julio-2017-clientes/1heVrMvqUIgje/
http://deadcode200.c1.biz/js/BZjzK85jtrVUyl6cvbj/
http://hello-front.thlab.ru/favicon/fssoZs4b/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4964 2616 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1952 2616 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4044 2616 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2436 2616 regsvr32.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2616 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2616 EXCEL.EXE 2616 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE 2616 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2616 wrote to memory of 4964 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 4964 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 1952 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 1952 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 4044 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 4044 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 2436 2616 EXCEL.EXE regsvr32.exe PID 2616 wrote to memory of 2436 2616 EXCEL.EXE regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\84426959a299f8521acabbc0250b0c15eebd2268542d5b0c3f8e59d6b5be4e53.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx2⤵
- Process spawned unexpected child process
PID:4964 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx2⤵
- Process spawned unexpected child process
PID:1952 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx2⤵
- Process spawned unexpected child process
PID:4044 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx2⤵
- Process spawned unexpected child process
PID:2436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize2KB
MD51941ff9b4e9c64d790192c66bd3f1cd5
SHA1f7dc0d4dadab5a6795fbbf8d59fad3e60db5862a
SHA256fe611e2961c177ef8ea3d19dd683b80587dc0633e5b870d19c2e69dc33828cd2
SHA5120b7a777c6ffe91bdf53959d04afbebc4a7e0dc046148fc903890321ae0a304b523411047afc8363848386617ea00ba3ce1f655454ee0b67af28dbdeed0ebeb0e